<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8" />
		<title>demo</title>
		<style>
			h1{
				background-color: skyblue;
				width: 200px;
			}
			@keyframes likai {
				0%{
					transform: translateX(0px);
				}
				100%{
					transform: translateX(-200px);
				}
			}
			.nizouba{
				animation: 1s likai linear forwards;
			}
		</style>
	</head>
	<body>
		<h1>回忆动画</h1>
	</body>
</html>